GB/T 2608-2025 English PDFUS$279.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 2608-2025: Silica refractory bricks Status: Valid GB/T 2608: Historical versions
Basic dataStandard ID: GB/T 2608-2025 (GB/T2608-2025)Description (Translated English): Silica refractory bricks Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: Q41 Classification of International Standard: 81.080 Word Count Estimation: 14,177 Date of Issue: 2025-08-01 Date of Implementation: 2026-02-01 Older Standard (superseded by this standard): GB/T 2608-2012 Issuing agency(ies): State Administration for Market Regulation, Standardization Administration of China GB/T 2608-2025: Silica refractory bricks---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT2608-2025ICS 81.080 CCSQ41 National Standard of the People's Republic of China Replaces GB/T 2608-2012 silica bricks Released on August 1, 2025 Implementation on February 1, 2026 State Administration for Market Regulation The National Standardization Administration issued PrefaceThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 2608-2012 "Silica Bricks". Compared with GB/T 2608-2012, in addition to structural adjustments and editorial changes, the main The main technical changes are as follows. a) The scope has been changed (see Chapter 1, Chapter 1 of the.2012 edition); b) The definition of melt index has been changed (see 3.1, 3.1 of the.2012 edition); c) Added the JG-95H grade of silica bricks for coke ovens and its physical and chemical indicators (see 4.1 and Table 3); d) The shape and size requirements of silica bricks have been changed (see 4.2, 4.2 of the.2012 edition); e) The technical requirements for general silica bricks (see 5.1 of the.2012 edition) have been deleted; f) Modified some physical and chemical indicators of silica bricks for glass kilns (see Table 1, Table 3 of the.2012 edition); g) Modified some physical and chemical indicators of silica bricks for coke ovens (see Table 3, Table 5 of the.2012 edition); h) Modified some physical and chemical indicators of silica bricks for hot blast furnaces (see Table 5, Table 7 of the.2012 edition); i) The sampling and qualification determination rules have been changed (see 7.2, 7.2 of the.2012 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Refractory Materials (SAC/TC193). This document was drafted by. Sinosteel Luoyang Refractories Technology Co., Ltd., Shanxi Yuxian Xixiaoping Refractory Co., Ltd., Henan Chunsheng Group Co., Ltd., Shandong Refractory Group Lunai Kiln Industry Co., Ltd., Zhengzhou Anake Industrial Co., Ltd., Shandong Luqiao New Materials Co., Ltd. Company, Shandong Wanqiao Group Co., Ltd., Lengshuijiang Xinda Refractory Materials Manufacturing Co., Ltd., and Shandong Shengquan New Materials Co., Ltd. The main drafters of this document are. Yang Peipei, Chen Yan, Shi Gaijun, Wu Huijing, Feng Xiaolei, Shi Chenglong, Li Fuchao, Zhang Dunxin, Gao Jianli, Wang Jinbiao, Xu Dayan, Qin Yinjun, Qin Jiantao, Jing Haoyuan, Han Bajin, Li Huaisheng, Zhang Shaofeng, Li Peixiao, Wang Zhelai, Yin Kunbao, Zhang Daoyun, Zhang Dunming, Zhang Zhe, Song Weiying, Fan Yajuan, Zhang Xinnian, Tang Sixin, Tang Yuezu, and Zhang Xiumei. This document was first issued in 1987, revised for the first time in.2001, revised for the second time in.2012, and this is the third revision. silica bricks1 ScopeThis document specifies the classification, grade, shape and size, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and Certificate of quality. This document is applicable to silica bricks used in glass kilns, coke ovens and hot blast furnaces, and is used as a reference for silica bricks used in other kilns.2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 2992.1 Refractory bricks - Shapes and dimensions - Part 1.General purpose bricks GB/T 2997 Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products GB/T 5071 Test method for true density of refractory materials GB/T 5072 Test method for compressive strength of refractory materials at room temperature GB/T 5073 Test method for compressive creep of refractory materials GB/T 5988 Test method for permanent linear changes of refractory materials during heating GB/T 5990 Test method for thermal conductivity, specific heat capacity and thermal diffusivity of refractory materials (hot wire method) GB/T 6901 Chemical analysis methods for siliceous refractories GB/T 7320 Test method for thermal expansion of refractory materials GB/T 7321 Preparation method of test specimens for shaped refractory products GB/T 10325 Rules for acceptance sampling and inspection of shaped refractory products GB/T 10326 Inspection methods for dimensions, appearance and cross-section of shaped refractory products GB/T 16546 General provisions for packaging, marking, transportation, storage and quality certification of shaped refractory materials GB/T 18930 Terminology of Refractory Materials GB/T 20511 Rules for classification of refractory products GB/T 21114 X-ray fluorescence spectrochemical analysis of refractory materials - Cast glass disc method YB/T 172 Quantitative phase analysis of silica bricks by X-ray diffraction method YB/T 370 Test method for refractories' softening temperature under load (non-differential-heating method)3 Terms and DefinitionsThe terms and definitions defined in GB/T 18930 and the following apply to this document. 3.1 melt index meltindex The mass fraction of aluminum oxide w(Al2O3) and twice the sum of the mass fractions of potassium oxide w(K2O) and sodium oxide w(Na2O), that is, w(Al2O3) 2[w(K2O) w(Na2O)]. ...... |
